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Display an Alert After the Page Loads

Display an Alert After the Page Loads

Question:
How do I make an alert box pop up 10 seconds after the page loads?

Answer:

You can display an alert a certain length of time after the page loads using the onLoad event and the setTimeout() method. The setTimeout() method takes any bit of JavaScript and runs it after a delay specified in milliseconds. If you call the setTimeout() method in the page’s onLoad event (in the tag), then you should be able to get the exact effect you’re after.

Note, that although any valid JavaScript can be passed as the parameter to the setTimeout() method, you should use a function call most of the time. This will allow you to enhance and lengthen the JavaScript you want to execute without making the setTimeout() statement or the onLoad event handler unwieldy.

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